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A228293 as a simple table

n a(n)
0 0
1 9
2 1022
3 29523
4 349524
5 2441405
6 12093234
7 47079207
8 153391688
9 435848049
10 1111111110
11 2593742459
12 5628851292
13 11488207653
14 22250358074
15 41189313615
16 73300775184
17 125999618777
18 210027483918
19 340614792099
20 538947368420
21 833994048909
22 1264758228162

[0,9,1022,29523,349524,2441405,12093234,47079207,
 153391688,435848049,1111111110,2593742459,
 5628851292,11488207653,22250358074,41189313615,
 73300775184,125999618777,210027483918,
 340614792099,538947368420,833994048909,
 1264758228162]

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Last modified September 28 14:44 EDT 2022. Contains 357073 sequences. (Running on oeis4.)